mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-26 00:00:48 +02:00
67599df0cb
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19140 3c298f89-4303-0410-b956-a3cf2f4a3e73
82 lines
2.2 KiB
Diff
82 lines
2.2 KiB
Diff
--- a/info.c
|
|
+++ b/info.c
|
|
@@ -156,6 +156,14 @@ static int print_phy_handler(struct nl_m
|
|
printf("\tRTS threshold: %d\n", rts);
|
|
}
|
|
|
|
+ if (tb_msg[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
|
|
+ unsigned char coverage;
|
|
+
|
|
+ coverage = nla_get_u8(tb_msg[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
|
|
+ /* See handle_distance() for an explanation where the '450' comes from */
|
|
+ printf("\tCoverage class: %d (up to %dm)\n", coverage, 450 * coverage);
|
|
+ }
|
|
+
|
|
if (!tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES])
|
|
goto commands;
|
|
|
|
--- a/phy.c
|
|
+++ b/phy.c
|
|
@@ -164,3 +164,61 @@ static int handle_netns(struct nl80211_s
|
|
COMMAND(set, netns, "<pid>",
|
|
NL80211_CMD_SET_WIPHY_NETNS, 0, CIB_PHY, handle_netns,
|
|
"Put this wireless device into a different network namespace");
|
|
+
|
|
+static int handle_coverage(struct nl80211_state *state,
|
|
+ struct nl_cb *cb,
|
|
+ struct nl_msg *msg,
|
|
+ int argc, char **argv)
|
|
+{
|
|
+ unsigned int coverage;
|
|
+
|
|
+ if (argc != 1)
|
|
+ return 1;
|
|
+
|
|
+ coverage = strtoul(argv[0], NULL, 10);
|
|
+ if (coverage > 255)
|
|
+ return 1;
|
|
+
|
|
+ NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, coverage);
|
|
+
|
|
+ return 0;
|
|
+ nla_put_failure:
|
|
+ return -ENOBUFS;
|
|
+}
|
|
+COMMAND(set, coverage, "<coverage class>",
|
|
+ NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_coverage,
|
|
+ "Set coverage class (1 for every 3 usec of air propagation time).\n"
|
|
+ "Valid values: 0 - 255.");
|
|
+
|
|
+static int handle_distance(struct nl80211_state *state,
|
|
+ struct nl_cb *cb,
|
|
+ struct nl_msg *msg,
|
|
+ int argc, char **argv)
|
|
+{
|
|
+ unsigned int distance, coverage;
|
|
+
|
|
+ if (argc != 1)
|
|
+ return 1;
|
|
+
|
|
+ distance = strtoul(argv[0], NULL, 10);
|
|
+
|
|
+ /*
|
|
+ * Divide double the distance by the speed of light in m/usec (300) to
|
|
+ * get round-trip time in microseconds and then divide the result by
|
|
+ * three to get coverage class as specified in IEEE 802.11-2007 table
|
|
+ * 7-27. Values are rounded upwards.
|
|
+ */
|
|
+ coverage = (distance + 449) / 450;
|
|
+ if (coverage > 255)
|
|
+ return 1;
|
|
+
|
|
+ NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, coverage);
|
|
+
|
|
+ return 0;
|
|
+ nla_put_failure:
|
|
+ return -ENOBUFS;
|
|
+}
|
|
+COMMAND(set, distance, "<distance>",
|
|
+ NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_distance,
|
|
+ "Set appropriate coverage class for given link distance in meters.\n"
|
|
+ "Valid values: 0 - 114750");
|